@drsamuelgp: Replying to @skingapore Secret trick with eye drops will also help reduce the side effects. Also I had a bit too much fun doing this. That is not me sweating, it the sheen my Tretinoin gives as it contains squalane #MUIS #Ramadan2023 #learningisfun #skingapore #gpsam #fasting #Ramadan #drsamuel #singaporedoctor #sgdoctor #doctorsoftiktok #MUIS #doctors #tiktoksg🇸🇬 #sgtiktok #medicaltiktok #blooddonation #blood #eyedrops #insulin #injections #vaccination #hariraya #drsam Can I donate blood during Ramadan / Can I take vaccinations when fasting ? Can I use eye drops without invalidating my fast ? / Can I use injectable medications when fasting ?